High power diffraction-limited emission from monolithically integrated active grating master oscillator power amplifier

D. Mehuys, D. F. Welch, R. Parke, R. G. Waarts, A. Hardy, D. Scifres

Research output: Contribution to journalArticlepeer-review

Abstract

A novel monolithically integrated master oscillator power amplifier with a distributed amplifier/grating output coupler is demonstrated which emits 370 mW in a single-frequency diffraction-limited beam without any form of active phase control. The distributed amplifier/grating output coupler results in a guided mode power that saturates along the direction of propagation, providing a uniform carrier density to preserve the flatness of the radiated phase front.

Original languageEnglish
Pages (from-to)492-494
Number of pages3
JournalElectronics Letters
Volume27
Issue number6
DOIs
StatePublished - 14 Mar 1991
Externally publishedYes

Keywords

  • Amplifiers
  • Lasers
  • Oscillators
  • Semiconductor lasers

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